Exemple #1
0
static int ac_session_action_recv_ieee80211_mgmt_packet(struct ac_session_t* session, struct capwap_header* header, long length) {
	long headersize;

	/* Retrieve info */
	headersize = GET_HLEN_HEADER(header) * 4;
	if ((GET_WBID_HEADER(header) == CAPWAP_WIRELESS_BINDING_IEEE80211) && ((length - headersize) >= sizeof(struct ieee80211_header))) {
		ac_ieee80211_packet(session, GET_RID_HEADER(header), (struct ieee80211_header*)(((char*)header) + headersize), (length - headersize));
	}

	return AC_NO_ERROR;
}
Exemple #2
0
static void ac_send_invalid_request(struct ac_session_t* session, uint32_t errorcode) {
	struct capwap_header_data capwapheader;
	struct capwap_packet_txmng* txmngpacket;
	struct capwap_list* responsefragmentpacket;
	struct capwap_fragment_packet_item* packet;
	struct capwap_header* header;
	struct capwap_resultcode_element resultcode = { .code = errorcode };

	ASSERT(session != NULL);
	ASSERT(session->rxmngpacket != NULL);
	ASSERT(session->rxmngpacket->fragmentlist->first != NULL);

	/* */
	packet = (struct capwap_fragment_packet_item*)session->rxmngpacket->fragmentlist->first->item;
	header = (struct capwap_header*)packet->buffer;

	/* Odd message type */
	capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, GET_WBID_HEADER(header));
	txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, session->rxmngpacket->ctrlmsg.type + 1, session->rxmngpacket->ctrlmsg.seq, session->mtu);

	/* Add message element */
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_RESULTCODE, &resultcode);

	/* Unknown response complete, get fragment packets */
	responsefragmentpacket = capwap_list_create();
	capwap_packet_txmng_get_fragment_packets(txmngpacket, responsefragmentpacket, session->fragmentid);
	if (responsefragmentpacket->count > 1) {
		session->fragmentid++;
	}

	/* Free packets manager */
	capwap_packet_txmng_free(txmngpacket);

	/* Send unknown response */
	capwap_crypt_sendto_fragmentpacket(&session->dtls, responsefragmentpacket);

	/* Don't buffering a packets sent */
	capwap_list_free(responsefragmentpacket);
}
Exemple #3
0
int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap_parsed_packet* packet) {
	unsigned short binding;
	unsigned short bodylength;

	ASSERT(rxmngpacket != NULL);
	ASSERT(packet != NULL);

	/* */
	memset(packet, 0, sizeof(struct capwap_parsed_packet));
	packet->rxmngpacket = rxmngpacket;
	packet->messages = capwap_list_create();

	binding = GET_WBID_HEADER(packet->rxmngpacket->header);

	/* Position reader to capwap body */
	memcpy(&rxmngpacket->readpos, &rxmngpacket->readbodypos, sizeof(struct read_block_from_pos));

	/* */
	bodylength = rxmngpacket->ctrlmsg.length - CAPWAP_CONTROL_MESSAGE_MIN_LENGTH;
	while (bodylength > 0) {
		struct capwap_message_element_id id = { .vendor = 0 };
		uint16_t msglength;
		struct capwap_list_item* itemlist;
		struct capwap_message_element_itemlist* messageelement;
		void *element;
		const struct capwap_message_elements_ops* read_ops;

		/* Get type and length */
		rxmngpacket->readerpacketallowed = sizeof(struct capwap_message_element);
		if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &id.type) != sizeof(uint16_t) ||
		    rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &msglength) != sizeof(uint16_t) ||
		    msglength > bodylength)
			return INVALID_MESSAGE_ELEMENT;

		/* Allowed to parsing only the size of message element */
		rxmngpacket->readerpacketallowed = msglength;

		/* Check binding */
		if (IS_80211_MESSAGE_ELEMENTS(id) &&
		    (binding != CAPWAP_WIRELESS_BINDING_IEEE80211))
			return UNRECOGNIZED_MESSAGE_ELEMENT;

		log_printf(LOG_DEBUG, "MESSAGE ELEMENT: %d", id.type);

		if (id.type == CAPWAP_ELEMENT_VENDORPAYLOAD_TYPE) {
			struct capwap_message_element_id vendor_id;

			if (msglength < 7) {
				log_printf(LOG_DEBUG, "Invalid Vendor Specific Payload element: underbuffer");
				return INVALID_MESSAGE_ELEMENT;
			}
			if ((msglength - 6) > CAPWAP_VENDORPAYLOAD_MAXLENGTH) {
				log_printf(LOG_DEBUG, "Invalid Vendor Specific Payload element: overbuffer");
				return INVALID_MESSAGE_ELEMENT;
			}

			rxmngpacket->read_ops.read_u32((capwap_message_elements_handle)rxmngpacket, &vendor_id.vendor);
			rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &vendor_id.type);

			log_printf(LOG_DEBUG, "VENDOR MESSAGE ELEMENT: %06x:%d", vendor_id.vendor, vendor_id.type);

			read_ops = capwap_get_message_element_ops(vendor_id);
			log_printf(LOG_DEBUG, "vendor read_ops: %p", read_ops);
			if (read_ops) {
				id = vendor_id;
				element = read_ops->parse((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
			} else {
				read_ops = capwap_get_message_element_ops(id);
				element = capwap_unknown_vendorpayload_element_parsing((capwap_message_elements_handle)rxmngpacket,
										       &rxmngpacket->read_ops, msglength - 6, vendor_id);
			}
		} else {
			/* Reader function */
			read_ops = capwap_get_message_element_ops(id);
			log_printf(LOG_DEBUG, "read_ops: %p", read_ops);

			if (!read_ops)
				return UNRECOGNIZED_MESSAGE_ELEMENT;

			/* Get message element */
			element = read_ops->parse((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
		}

		if (!element)
			return INVALID_MESSAGE_ELEMENT;

		/* */
		itemlist = capwap_get_message_element(packet, id);
		if (read_ops->category == CAPWAP_MESSAGE_ELEMENT_SINGLE) {
			/* Check for multiple message element */
			if (itemlist) {
				return INVALID_MESSAGE_ELEMENT;
			}

			/* Create new message element */
			itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
			messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
			messageelement->id = id;
			messageelement->category = CAPWAP_MESSAGE_ELEMENT_SINGLE;
			messageelement->data = element;

			/* */
			capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
		}
		else if (read_ops->category == CAPWAP_MESSAGE_ELEMENT_ARRAY) {
			struct capwap_array* arraymessageelement;

			if (itemlist) {
				messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
				arraymessageelement = (struct capwap_array*)messageelement->data;
			} else {
				arraymessageelement = capwap_array_create(sizeof(void*), 0, 0);

				/* */
				itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
				messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
				messageelement->id = id;
				messageelement->category = CAPWAP_MESSAGE_ELEMENT_ARRAY;
				messageelement->data = (void*)arraymessageelement;

				/* */
				capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
			}

			/* */
			*(void **)capwap_array_get_item_pointer(arraymessageelement, arraymessageelement->count) = element;
		}

		/* Check if read all data of message element */
		if (rxmngpacket->readerpacketallowed) {
			return INVALID_MESSAGE_ELEMENT;
		}

		/* */
		bodylength -= (msglength + sizeof(struct capwap_message_element));
	}

	return PARSING_COMPLETE;
}

/* */
int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct capwap_array* returnedmessage) {
	unsigned short binding;
	struct capwap_resultcode_element* resultcode;

	ASSERT(packet != NULL);
	ASSERT(packet->rxmngpacket != NULL);

	binding = GET_WBID_HEADER(packet->rxmngpacket->header);

	switch (packet->rxmngpacket->ctrlmsg.type) {
		case CAPWAP_DISCOVERY_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DISCOVERYTYPE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE)) {

				if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
					if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
						return 0;
					}
				} else {
					return 0;
				}
			}

			break;
		}

		case CAPWAP_DISCOVERY_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
				(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6))) {
				return 0;
			}

			/* Check if packet contains Result Code with Error Message */
			resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
			if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
				return 0;
			}

			break;
		}

		case CAPWAP_JOIN_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCATION) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPNAME) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_SESSIONID) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ECNSUPPORT) &&
				(capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV6))) {

				if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
					if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
						return 0;
					}
				} else {
					return 0;
				}
			}

			break;
		}

		case CAPWAP_JOIN_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ECNSUPPORT) &&
				(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6)) &&
				(capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV6))) {
				return 0;
			}

			/* Check if packet contains Result Code with Error Message */
			resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
			if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
				return 0;
			}

			break;
		}

		case CAPWAP_CONFIGURATION_STATUS_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOADMSTATE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_STATISTICSTIMER) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT)) {

				if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
					if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
						return 0;
					}
				} else {
					return 0;
				}
			}

			break;
		}

		case CAPWAP_CONFIGURATION_STATUS_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_TIMERS) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_IDLETIMEOUT) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFALLBACK) &&
				(capwap_get_message_element(packet, CAPWAP_ELEMENT_ACIPV4LIST) || capwap_get_message_element(packet, CAPWAP_ELEMENT_ACIPV6LIST))) {

				return 0;
			}

			/* Check if packet contains Result Code with Error Message */
			resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
			if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
				return 0;
			}

			break;
		}

		case CAPWAP_CONFIGURATION_UPDATE_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAMEPRIORITY) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ACTIMESTAMP) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ADDMACACL) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_TIMERS) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETEMACACL) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_IDLETIMEOUT) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCATION) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOADMSTATE) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_STATISTICSTIMER) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFALLBACK) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPNAME) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPSTATICIPADDRESS) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_IMAGEIDENTIFIER) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_VENDORPAYLOAD)) {

				return 0;
			}

			break;
		}

		case CAPWAP_CONFIGURATION_UPDATE_RESPONSE: {
			return 0;
		}

		case CAPWAP_WTP_EVENT_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_DUPLICATEIPV4) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_DUPLICATEIPV6) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPRADIOSTAT) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETESTATION) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_VENDORPAYLOAD)) {

				return 0;
			}

			break;
		}

		case CAPWAP_WTP_EVENT_RESPONSE: {
			return 0;
		}

		case CAPWAP_CHANGE_STATE_EVENT_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOOPRSTATE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {

				return 0;
			}

			break;
		}

		case CAPWAP_CHANGE_STATE_EVENT_RESPONSE: {
			return 0;
		}

		case CAPWAP_ECHO_REQUEST: {
			return 0;
		}

		case CAPWAP_ECHO_RESPONSE: {
			return 0;
		}

		case CAPWAP_IMAGE_DATA_REQUEST: {
			return 0;
		}

		case CAPWAP_IMAGE_DATA_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
				return 0;
			}

			break;
		}

		case CAPWAP_RESET_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_IMAGEIDENTIFIER)) {
				return 0;
			}

			break;
		}

		case CAPWAP_RESET_RESPONSE: {
			return 0;
		}

		case CAPWAP_PRIMARY_DISCOVERY_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DISCOVERYTYPE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE)) {

				if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
					if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
						return 0;
					}
				} else {
					return 0;
				}
			}

			break;
		}

		case CAPWAP_PRIMARY_DISCOVERY_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
				capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
				(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6))) {
				return 0;
			}

			/* Check if packet contains Result Code with Error Message */
			resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
			if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
				return 0;
			}

			break;
		}

		case CAPWAP_DATA_TRANSFER_REQUEST: {
			/* TODO */
			break;
		}

		case CAPWAP_DATA_TRANSFER_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
				return 0;
			}

			break;
		}

		case CAPWAP_CLEAR_CONFIGURATION_REQUEST: {
			return 0;
		}

		case CAPWAP_CLEAR_CONFIGURATION_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
				return 0;
			}

			break;
		}

		case CAPWAP_STATION_CONFIGURATION_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ADDSTATION)) {
				if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
					if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_STATION)) {
						return 0;
					}
				} else {
					return 0;
				}
			} else if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETESTATION)) {
				return 0;
			}

			break;
		}

		case CAPWAP_STATION_CONFIGURATION_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
				return 0;
			}

			break;
		}

		case CAPWAP_IEEE80211_WLAN_CONFIGURATION_REQUEST: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_ADD_WLAN) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_UPDATE_WLAN) ||
				capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_DELETE_WLAN)) {

				return 0;
			}

			break;
		}

		case CAPWAP_IEEE80211_WLAN_CONFIGURATION_RESPONSE: {
			if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
				return 0;
			}

			break;
		}
	}

	return -1;
}
Exemple #4
0
static struct capwap_packet_txmng* ac_create_discovery_response(struct capwap_parsed_packet* packet) {
	int i;
	unsigned short binding;
	struct capwap_list* controllist;
	struct capwap_list_item* item;
	struct capwap_header_data capwapheader;
	struct capwap_packet_txmng* txmngpacket;

	/* Check is valid binding */
	binding = GET_WBID_HEADER(packet->rxmngpacket->header);
	if (!ac_valid_binding(binding)) {
		return NULL;
	}

	/* Update statistics */
	ac_update_statistics();

	/* Build packet */
	capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, binding);
	txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, CAPWAP_DISCOVERY_RESPONSE, packet->rxmngpacket->ctrlmsg.seq, g_ac.mtu);

	/* Prepare discovery response */
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACDESCRIPTION, &g_ac.descriptor);
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACNAME, &g_ac.acname);
	if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
		struct capwap_array* wtpradioinformation = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION);

		for (i = 0; i < wtpradioinformation->count; i++) {
			struct capwap_80211_wtpradioinformation_element* radio;

			radio = *(struct capwap_80211_wtpradioinformation_element**)capwap_array_get_item_pointer(wtpradioinformation, i);
			capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION, radio);
		}
	}

	/* Get information from any local address */
	controllist = capwap_list_create();
	ac_get_control_information(controllist);

	for (item = controllist->first; item != NULL; item = item->next) {
		struct ac_session_control* sessioncontrol = (struct ac_session_control*)item->item;
	
		if (sessioncontrol->localaddress.ss.ss_family == AF_INET) {
			struct capwap_controlipv4_element element;

			memcpy(&element.address, &((struct sockaddr_in*)&sessioncontrol->localaddress)->sin_addr, sizeof(struct in_addr));
			element.wtpcount = sessioncontrol->count;
			capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_CONTROLIPV4, &element);
		} else if (sessioncontrol->localaddress.ss.ss_family == AF_INET6) {
			struct capwap_controlipv6_element element;

			memcpy(&element.address, &((struct sockaddr_in6*)&sessioncontrol->localaddress)->sin6_addr, sizeof(struct in6_addr));
			element.wtpcount = sessioncontrol->count;
			capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_CONTROLIPV6, &element);
		}
	}

	capwap_list_free(controllist);

	/* CAPWAP_ELEMENT_VENDORPAYLOAD */					/* TODO */

	return txmngpacket;
}
Exemple #5
0
int wtp_radio_setconfiguration(struct capwap_parsed_packet* packet)
{
	int i;
	int result = 0;
	struct capwap_array* updateitems;

	ASSERT(packet != NULL);

	/* */
	updateitems = capwap_array_create(sizeof(struct wtp_update_configuration_item), 0, 1);

	/* */
	switch (GET_WBID_HEADER(packet->rxmngpacket->header)) {
	case CAPWAP_WIRELESS_BINDING_IEEE80211:
		wtp_radio_setconfiguration_80211(packet, updateitems);
		break;
	}

	log_printf(LOG_DEBUG, "wtp_radio_setconfiguration result #1: %d", result);

	/* Update radio frequency */
	for (i = 0; (i < updateitems->count) && !result; i++) {
		struct wtp_update_configuration_item* item =
			(struct wtp_update_configuration_item*)capwap_array_get_item_pointer(updateitems, i);

		switch (item->type) {
		case WTP_UPDATE_FREQUENCY_DSSS:
			result = wifi_device_setfrequency(item->radio->devicehandle, WIFI_BAND_2GHZ,
							  item->radio->radioinformation.radiotype,
							  item->radio->directsequencecontrol.currentchannel);
			break;

		case WTP_UPDATE_FREQUENCY_OFDM:
			result = wifi_device_setfrequency(item->radio->devicehandle, WIFI_BAND_5GHZ,
							  item->radio->radioinformation.radiotype,
							  item->radio->ofdmcontrol.currentchannel);
			break;
		}
	}

	log_printf(LOG_DEBUG, "wtp_radio_setconfiguration result #2: %d", result);

	/* Update radio configuration */
	for (i = 0; (i < updateitems->count) && !result; i++) {
		struct wtp_update_configuration_item* item =
			(struct wtp_update_configuration_item*)capwap_array_get_item_pointer(updateitems, i);

		switch (item->type) {
		case WTP_UPDATE_RATES:
			result = wifi_device_updaterates(item->radio->devicehandle,
							 item->radio->rateset.rateset,
							 item->radio->rateset.ratesetcount);
			break;

		case WTP_UPDATE_CONFIGURATION: {
			struct device_setconfiguration_params params;

			memset(&params, 0, sizeof(struct device_setconfiguration_params));
			params.shortpreamble = ((item->radio->radioconfig.shortpreamble == CAPWAP_WTP_RADIO_CONF_SHORTPREAMBLE_ENABLE) ? 1 : 0);
			params.maxbssid = item->radio->radioconfig.maxbssid;
			params.dtimperiod = item->radio->radioconfig.dtimperiod;
			memcpy(params.bssid, item->radio->radioconfig.bssid, ETH_ALEN);
			params.beaconperiod = item->radio->radioconfig.beaconperiod;
			memcpy(params.country, item->radio->radioconfig.country, WIFI_COUNTRY_LENGTH);
			result = wifi_device_setconfiguration(item->radio->devicehandle, &params);
			break;
		}

		case WTP_UPDATE_TX_QUEUE:
			result = wifi_device_settxqueue(item->radio->devicehandle, &item->radio->qos);
			break;
		}
	}

	log_printf(LOG_DEBUG, "wtp_radio_setconfiguration result #3: %d", result);

	/* */
	capwap_array_free(updateitems);
	return result;
}
Exemple #6
0
void ac_dfa_state_join(struct ac_session_t* session, struct capwap_parsed_packet* packet) {
	unsigned short binding;
	struct ac_soap_response* response;
	struct capwap_header_data capwapheader;
	struct capwap_packet_txmng* txmngpacket;
	struct capwap_sessionid_element* sessionid;
	struct capwap_wtpboarddata_element* wtpboarddata;
	struct capwap_resultcode_element resultcode = { .code = CAPWAP_RESULTCODE_FAILURE };

	ASSERT(session != NULL);
	ASSERT(packet != NULL);

	/* Check binding */
	binding = GET_WBID_HEADER(packet->rxmngpacket->header);
	if (ac_valid_binding(binding)) {
		if (packet->rxmngpacket->ctrlmsg.type == CAPWAP_JOIN_REQUEST) {
			/* Get sessionid and verify unique id */
			sessionid = (struct capwap_sessionid_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_SESSIONID);
			if (!ac_has_sessionid(sessionid)) {
				char* wtpid;

				/* Checking macaddress for detect if WTP already connected */
				wtpboarddata = (struct capwap_wtpboarddata_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPBOARDDATA);

				/* Get printable WTPID */
				wtpid = ac_get_printable_wtpid(wtpboarddata);
				if (wtpid && !ac_has_wtpid(wtpid)) {
					/* Request authorization of Backend for complete join */
					response = ac_soap_authorizewtpsession(session, wtpid);
					if (response) {
						resultcode.code = ac_dfa_state_join_check_authorizejoin(session, response);
						ac_soapclient_free_response(response);
					} else {
						resultcode.code = CAPWAP_RESULTCODE_JOIN_FAILURE_UNKNOWN_SOURCE;
					}
				} else {
					capwap_logging_info("WTP Id %s already used in another session", wtpid);
					resultcode.code = CAPWAP_RESULTCODE_JOIN_FAILURE_UNKNOWN_SOURCE;
				}

				/* */
				if (CAPWAP_RESULTCODE_OK(resultcode.code)) {
					session->wtpid = wtpid;
					memcpy(&session->sessionid, sessionid, sizeof(struct capwap_sessionid_element));
					session->binding = binding;
				} else if (wtpid) {
					capwap_free(wtpid);
				}
			} else {
				char sessionname[33];

				capwap_sessionid_printf(sessionid, sessionname);
				capwap_logging_info("Session Id %s already used in another session", sessionname);

				resultcode.code = CAPWAP_RESULTCODE_JOIN_FAILURE_ID_ALREADY_IN_USE;
			}
		} else {
			resultcode.code = CAPWAP_RESULTCODE_MSG_UNEXPECTED_INVALID_CURRENT_STATE;
		}
	} else {
		resultcode.code = CAPWAP_RESULTCODE_JOIN_FAILURE_BINDING_NOT_SUPPORTED;
	}

	/* Create response */
	capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, binding);
	txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, CAPWAP_JOIN_RESPONSE, packet->rxmngpacket->ctrlmsg.seq, session->mtu);

	/* */
	if (CAPWAP_RESULTCODE_OK(resultcode.code)) {
		response = ac_dfa_state_join_parsing_request(session, packet);
		if (response) {
			resultcode.code = ac_dfa_state_join_create_response(session, packet, response, txmngpacket);
			ac_soapclient_free_response(response);
		}
	}

	/* Add always result code message element */
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_RESULTCODE, &resultcode);

	/* Join response complete, get fragment packets */
	ac_free_reference_last_response(session);
	capwap_packet_txmng_get_fragment_packets(txmngpacket, session->responsefragmentpacket, session->fragmentid);
	if (session->responsefragmentpacket->count > 1) {
		session->fragmentid++;
	}

	/* Free packets manager */
	capwap_packet_txmng_free(txmngpacket);

	/* Save remote sequence number */
	session->remotetype = packet->rxmngpacket->ctrlmsg.type;
	session->remoteseqnumber = packet->rxmngpacket->ctrlmsg.seq;

	/* Send Join response to WTP */
	if (capwap_crypt_sendto_fragmentpacket(&session->dtls, session->responsefragmentpacket)) {
		if (CAPWAP_RESULTCODE_OK(resultcode.code)) {
			ac_dfa_change_state(session, CAPWAP_POSTJOIN_STATE);
			capwap_timeout_set(session->timeout, session->idtimercontrol, AC_JOIN_INTERVAL, ac_dfa_teardown_timeout, session, NULL);
		} else {
			ac_session_teardown(session);
		}
	} else {
		/* Error to send packets */
		capwap_logging_debug("Warning: error to send join response packet");
		ac_session_teardown(session);
	}
}
Exemple #7
0
static struct ac_soap_response* ac_dfa_state_join_parsing_request(struct ac_session_t* session, struct capwap_parsed_packet* packet) {
	int i;
	const char* jsonmessage;
	char* base64confstatus;
	struct json_object* jsonarray;
	struct json_object* jsonparam;
	struct json_object* jsonhash;
	struct ac_soap_response* response;
	struct capwap_location_element* location;
	struct capwap_wtpboarddata_element* wtpboarddata;
	struct capwap_wtpdescriptor_element* wtpdescriptor;
	struct capwap_wtpname_element* wtpname;
	struct capwap_wtpframetunnelmode_element* wtpframetunnelmode;
	struct capwap_wtpmactype_element* wtpmactype;
	struct capwap_ecnsupport_element* ecnsupport;
	struct capwap_localipv4_element* localipv4;
	struct capwap_localipv6_element* localipv6;
	struct capwap_wtprebootstat_element* wtprebootstat;
	unsigned short binding = GET_WBID_HEADER(packet->rxmngpacket->header);

	/* Create SOAP request with JSON param
		{
			Binding: {
				Type: [int]
			}
			LocationData: {
				Location: [string]
			},
			WTPBoardData: {
				VendorIdentifier: [int],
				BoardDataSubElement: [
					{
						BoardDataType: [int],
						BoardDataValue: [base64]
					}
				]
			},
			WTPDescriptor: {
				MaxRadios: [int],
				RadiosInUse: [int],
				EncryptionSubElement: [
					{
						WBID: [int],
						EncryptionCapabilities: [int]
					}
				],
				DescriptorSubElement: [
					{
						DescriptorVendorIdentifier: [int],
						DescriptorType: [int],
						DescriptorData: [string]
					}
				]
			},
			WTPName: {
				Name: [string]
			},
			WTPFrameTunnelMode: {
				NativeFrameTunnel: [bool]
				FrameTunnelMode8023: [bool],
				LocalBridge: [bool]
			},
			WTPMACType: {
				Type: [int]
			},
			<IEEE 802.11 BINDING>
			WTPRadio: [
				{
					RadioID: [int],
					IEEE80211WTPRadioInformation: {
						Mode: [int]
					}
				}
			]
			ECNSupport: {
				Mode: [int]
			}
			CAPWAPLocalIPv4Address: {
				Address: [string]
			},
			CAPWAPLocalIPv6Address: {
				Address: [string]
			},
			WTPRebootStatistics: {
				RebootCount: [int],
				ACInitiatedCount: [int],
				LinkFailureCount: [int],
				SWFailureCount: [int],
				HWFailureCount: [int],
				OtherFailureCount: [int],
				UnknownFailureCount: [int],
				LastFailureType: [int]
			}
		}
	*/

	/* */
	jsonparam = json_object_new_object();

	/* Binding */
	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "Type", json_object_new_int((int)binding));
	json_object_object_add(jsonparam, "Binding", jsonhash);

	/* LocationData */
	location = (struct capwap_location_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_LOCATION);

	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "Location", json_object_new_string((char*)location->value));
	json_object_object_add(jsonparam, "LocationData", jsonhash);

	/* WTPBoardData */
	wtpboarddata = (struct capwap_wtpboarddata_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPBOARDDATA);

	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "VendorIdentifier", json_object_new_int((int)wtpboarddata->vendor));

	jsonarray = json_object_new_array();
	for (i = 0; i < wtpboarddata->boardsubelement->count; i++) {
		char* base64data;
		int base64length;
		struct json_object* jsonboard;
		struct capwap_wtpboarddata_board_subelement* wtpboarddata_board = (struct capwap_wtpboarddata_board_subelement*)capwap_array_get_item_pointer(wtpboarddata->boardsubelement, i);

		/* Encoded base64 board data */
		base64data = (char*)capwap_alloc(AC_BASE64_ENCODE_LENGTH((int)wtpboarddata_board->length));
		base64length = ac_base64_binary_encode((const char*)wtpboarddata_board->data, (int)wtpboarddata_board->length, base64data);
		base64data[base64length] = 0;

		jsonboard = json_object_new_object();
		json_object_object_add(jsonboard, "BoardDataType", json_object_new_int((int)wtpboarddata_board->type));
		json_object_object_add(jsonboard, "BoardDataValue", json_object_new_string(base64data));
		json_object_array_add(jsonarray, jsonboard);

		capwap_free(base64data);
	}

	json_object_object_add(jsonhash, "BoardDataSubElement", jsonarray);
	json_object_object_add(jsonparam, "WTPBoardData", jsonhash);

	/* WTPDescriptor */
	wtpdescriptor = (struct capwap_wtpdescriptor_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR);

	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "MaxRadios", json_object_new_int((int)wtpdescriptor->maxradios));
	json_object_object_add(jsonhash, "RadiosInUse", json_object_new_int((int)wtpdescriptor->radiosinuse));

	jsonarray = json_object_new_array();
	for (i = 0; i < wtpdescriptor->encryptsubelement->count; i++) {
		struct json_object* jsonencrypt;
		struct capwap_wtpdescriptor_encrypt_subelement* wtpdescriptor_encrypt = (struct capwap_wtpdescriptor_encrypt_subelement*)capwap_array_get_item_pointer(wtpdescriptor->encryptsubelement, i);

		jsonencrypt = json_object_new_object();
		json_object_object_add(jsonencrypt, "WBID", json_object_new_int((int)wtpdescriptor_encrypt->wbid));
		json_object_object_add(jsonencrypt, "EncryptionCapabilities", json_object_new_int((int)wtpdescriptor_encrypt->capabilities));
		json_object_array_add(jsonarray, jsonencrypt);
	}

	json_object_object_add(jsonhash, "EncryptionSubElement", jsonarray);

	jsonarray = json_object_new_array();
	for (i = 0; i < wtpdescriptor->descsubelement->count; i++) {
		struct json_object* jsondesc;
		struct capwap_wtpdescriptor_desc_subelement* wtpdescriptor_desc = (struct capwap_wtpdescriptor_desc_subelement*)capwap_array_get_item_pointer(wtpdescriptor->descsubelement, i);

		jsondesc = json_object_new_object();
		json_object_object_add(jsondesc, "DescriptorVendorIdentifier", json_object_new_int((int)wtpdescriptor_desc->vendor));
		json_object_object_add(jsondesc, "DescriptorType", json_object_new_int((int)wtpdescriptor_desc->type));
		json_object_object_add(jsondesc, "DescriptorData", json_object_new_string((char*)wtpdescriptor_desc->data));
		json_object_array_add(jsonarray, jsondesc);
	}

	json_object_object_add(jsonhash, "DescriptorSubElement", jsonarray);
	json_object_object_add(jsonparam, "WTPDescriptor", jsonhash);

	/* WTPName */
	wtpname = (struct capwap_wtpname_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPNAME);

	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "Name", json_object_new_string((char*)wtpname->name));
	json_object_object_add(jsonparam, "WTPName", jsonhash);

	/* WTPFrameTunnelMode */
	wtpframetunnelmode = (struct capwap_wtpframetunnelmode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE);

	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "NativeFrameTunnel", json_object_new_boolean(((wtpframetunnelmode->mode & CAPWAP_WTP_NATIVE_FRAME_TUNNEL) ? 1 : 0)));
	json_object_object_add(jsonhash, "FrameTunnelMode8023", json_object_new_boolean(((wtpframetunnelmode->mode & CAPWAP_WTP_8023_FRAME_TUNNEL) ? 1 : 0)));
	json_object_object_add(jsonhash, "LocalBridge", json_object_new_boolean(((wtpframetunnelmode->mode & CAPWAP_WTP_LOCAL_BRIDGING) ? 1 : 0)));
	json_object_object_add(jsonparam, "WTPFrameTunnelMode", jsonhash);

	/* WTPMACType */
	wtpmactype = (struct capwap_wtpmactype_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPMACTYPE);

	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "Type", json_object_new_int((int)wtpmactype->type));
	json_object_object_add(jsonparam, "WTPMACType", jsonhash);

	/* Binding message */
	if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
		struct ac_json_ieee80211_wtpradio wtpradio;
		struct capwap_list_item* search = packet->messages->first;

		/* Reording message by radioid and management */
		ac_json_ieee80211_init(&wtpradio);

		while (search) {
			struct capwap_message_element_itemlist* messageelement = (struct capwap_message_element_itemlist*)search->item;

			/* Parsing only IEEE 802.11 message element */
			if (IS_80211_MESSAGE_ELEMENTS(messageelement->type)) {
				if (!ac_json_ieee80211_parsingmessageelement(&wtpradio, messageelement)) {
					json_object_put(jsonparam);
					return NULL;
				}
			}

			/* Next */
			search = search->next;
		}

		/* Generate JSON tree */
		jsonarray = ac_json_ieee80211_getjson(&wtpradio);
		json_object_object_add(jsonparam, IEEE80211_BINDING_JSON_ROOT, jsonarray);

		/* Free resource */
		ac_json_ieee80211_free(&wtpradio);
	}

	/* ECNSupport */
	ecnsupport = (struct capwap_ecnsupport_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_ECNSUPPORT);

	jsonhash = json_object_new_object();
	json_object_object_add(jsonhash, "Mode", json_object_new_int((int)ecnsupport->flag));
	json_object_object_add(jsonparam, "ECNSupport", jsonhash);

	/* CAPWAPLocalIPv4Address */
	localipv4 = (struct capwap_localipv4_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_LOCALIPV4);
	if (localipv4) {
		char ipbuffer[INET_ADDRSTRLEN];

		jsonhash = json_object_new_object();
		json_object_object_add(jsonhash, "Address", json_object_new_string(inet_ntop(AF_INET, (void*)&localipv4->address, ipbuffer, INET_ADDRSTRLEN)));
		json_object_object_add(jsonparam, "CAPWAPLocalIPv4Address", jsonhash);
	}

	/* CAPWAPLocalIPv6Address */
	localipv6 = (struct capwap_localipv6_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_LOCALIPV6);
	if (localipv6) {
		char ipbuffer[INET6_ADDRSTRLEN];

		jsonhash = json_object_new_object();
		json_object_object_add(jsonhash, "Address", json_object_new_string(inet_ntop(AF_INET6, (void*)&localipv6->address, ipbuffer, INET6_ADDRSTRLEN)));
		json_object_object_add(jsonparam, "CAPWAPLocalIPv6Address", jsonhash);
	}

	/* WTPRebootStatistics */
	wtprebootstat = (struct capwap_wtprebootstat_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT);
	if (wtprebootstat) {
		jsonhash = json_object_new_object();
		json_object_object_add(jsonhash, "RebootCount", json_object_new_int((int)wtprebootstat->rebootcount));
		json_object_object_add(jsonhash, "ACInitiatedCount", json_object_new_int((int)wtprebootstat->acinitiatedcount));
		json_object_object_add(jsonhash, "LinkFailureCount", json_object_new_int((int)wtprebootstat->linkfailurecount));
		json_object_object_add(jsonhash, "SWFailureCount", json_object_new_int((int)wtprebootstat->swfailurecount));
		json_object_object_add(jsonhash, "HWFailureCount", json_object_new_int((int)wtprebootstat->hwfailurecount));
		json_object_object_add(jsonhash, "OtherFailureCount", json_object_new_int((int)wtprebootstat->otherfailurecount));
		json_object_object_add(jsonhash, "UnknownFailureCount", json_object_new_int((int)wtprebootstat->unknownfailurecount));
		json_object_object_add(jsonhash, "LastFailureType", json_object_new_int((int)wtprebootstat->lastfailuretype));
		json_object_object_add(jsonparam, "WTPRebootStatistics", jsonhash);
	}

	/* Get JSON param and convert base64 */
	jsonmessage = json_object_to_json_string(jsonparam);
	base64confstatus = capwap_alloc(AC_BASE64_ENCODE_LENGTH(strlen(jsonmessage)));
	ac_base64_string_encode(jsonmessage, base64confstatus);

	/* Send message */
	response = ac_soap_joinwtpsession(session, session->wtpid, base64confstatus);

	/* Free JSON */
	json_object_put(jsonparam);
	capwap_free(base64confstatus);

	return response;
}
Exemple #8
0
static uint32_t ac_dfa_state_join_create_response(struct ac_session_t* session, struct capwap_parsed_packet* packet, struct ac_soap_response* response, struct capwap_packet_txmng* txmngpacket) {
	int i;
	int j;
	int length;
	struct json_object* jsonroot;
	struct json_object* jsonelement;
	struct capwap_list* controllist;
	struct capwap_list_item* item;
	unsigned short binding = GET_WBID_HEADER(packet->rxmngpacket->header);

	/* Receive SOAP response with JSON result
		{
			WTPRadioInformation: [
				<IEEE 802.11 BINDING>
				IEEE80211WTPRadioInformation: {
					RadioID: [int],
					Mode: [int]
				}
			]
			ACIPv4List: [
				{
					ACIPAddress: [string]
				}
			],
			ACIPv6List: [
				{
					ACIPAddress: [string]
				}
			]
			<IEEE 802.11 BINDING>
			WTPRadio: [
				{
					RadioID: [int],
					IEEE80211WTPRadioInformation: {
						Mode: [int]
					}
				}
			]
		}
	*/

	/* Add message elements response, every local value can be overwrite from backend server */
	jsonroot = ac_soapclient_parse_json_response(response);
	if (!jsonroot) {
		return CAPWAP_RESULTCODE_FAILURE;
	}

	/* AC Descriptor */
	ac_update_statistics();
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACDESCRIPTION, &g_ac.descriptor);

	/* AC Name */
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACNAME, &g_ac.acname);

	/* WTP Radio Information */
	if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
		struct ac_json_ieee80211_wtpradio wtpradio;
		struct capwap_array* wtpradioinformation = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION);

		/* */
		ac_json_ieee80211_init(&wtpradio);

		/* */
		jsonelement = compat_json_object_object_get(jsonroot, IEEE80211_BINDING_JSON_ROOT);
		if (jsonelement) {
			ac_json_ieee80211_parsingjson(&wtpradio, jsonelement);
		}

		/* Copy WTP Radio Information if not present into SOAP response */
		for (i = 0; i < wtpradioinformation->count; i++) {
			ac_json_ieee80211_addmessageelement(&wtpradio, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION, *(struct capwap_80211_wtpradioinformation_element**)capwap_array_get_item_pointer(wtpradioinformation, i), 0);
		}

		/* */
		ac_json_ieee80211_buildpacket(&wtpradio, txmngpacket);

		/* Free resource */
		ac_json_ieee80211_free(&wtpradio);
	}

	/* ECN Support */
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ECNSUPPORT, &session->dfa.ecn);

	/* Get information from any local address */
	controllist = capwap_list_create();
	ac_get_control_information(controllist);

	/* CAPWAP Control IP Address */
	for (item = controllist->first; item != NULL; item = item->next) {
		struct ac_session_control* sessioncontrol = (struct ac_session_control*)item->item;

		if (sessioncontrol->localaddress.ss.ss_family == AF_INET) {
			struct capwap_controlipv4_element element;

			memcpy(&element.address, &((struct sockaddr_in*)&sessioncontrol->localaddress)->sin_addr, sizeof(struct in_addr));
			element.wtpcount = sessioncontrol->count;
			capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_CONTROLIPV4, &element);
		} else if (sessioncontrol->localaddress.ss.ss_family == AF_INET6) {
			struct capwap_controlipv6_element element;

			memcpy(&element.address, &((struct sockaddr_in6*)&sessioncontrol->localaddress)->sin6_addr, sizeof(struct in6_addr));
			element.wtpcount = sessioncontrol->count;
			capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_CONTROLIPV6, &element);
		}
	}

	capwap_list_free(controllist);

	/* CAPWAP Local IP Address */
	if (session->dtls.localaddr.ss.ss_family == AF_INET) {
		struct capwap_localipv4_element addr;

		memcpy(&addr.address, &session->dtls.localaddr.sin.sin_addr, sizeof(struct in_addr));
		capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_LOCALIPV4, &addr);
	} else if (session->dtls.localaddr.ss.ss_family == AF_INET6) {
		struct capwap_localipv6_element addr;

		memcpy(&addr.address, &session->dtls.localaddr.sin6.sin6_addr, sizeof(struct in6_addr));
		capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_LOCALIPV6, &addr);
	}

	/* ACIPv4List */
	jsonelement = NULL;
	if (jsonroot) {
		jsonelement = compat_json_object_object_get(jsonroot, "ACIPv4List");
		if (jsonelement && (json_object_get_type(jsonelement) == json_type_array)) {
			length = json_object_array_length(jsonelement);
		} else {
			jsonelement = NULL;
		}
	}

	if (jsonelement) {
		struct capwap_acipv4list_element* responseacipv4list;

		responseacipv4list = (struct capwap_acipv4list_element*)capwap_alloc(sizeof(struct capwap_acipv4list_element));
		responseacipv4list->addresses = capwap_array_create(sizeof(struct in_addr), 0, 0);

		for (j = 0; j < length; j++) {
			struct json_object* jsonvalue = json_object_array_get_idx(jsonelement, j);
			if (jsonvalue && (json_object_get_type(jsonvalue) == json_type_object)) {
				struct json_object* jsonitem;

				/* ACIPAddress */
				jsonitem = compat_json_object_object_get(jsonvalue, "ACIPAddress");
				if (jsonitem && (json_object_get_type(jsonitem) == json_type_string)) {
					const char* value = json_object_get_string(jsonitem);
					if (value) {
						union sockaddr_capwap address;
						if (capwap_address_from_string(value, &address)) {
							/* Accept only IPv4 address */
							if (address.ss.ss_family == AF_INET) {
								struct in_addr* responseaddress_in = (struct in_addr*)capwap_array_get_item_pointer(responseacipv4list->addresses, responseacipv4list->addresses->count);
								memcpy(responseaddress_in, &address.sin.sin_addr, sizeof(struct in_addr));
							}
						}
					}
				}
			}
		}

		if (responseacipv4list->addresses->count > 0) {
			capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV4LIST, responseacipv4list);
		}

		capwap_array_free(responseacipv4list->addresses);
		capwap_free(responseacipv4list);
	} else if (session->dfa.acipv4list.addresses->count > 0) {
		capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV4LIST, &session->dfa.acipv4list);
	}

	/* ACIPv6List */
	jsonelement = NULL;
	if (jsonroot) {
		jsonelement = compat_json_object_object_get(jsonroot, "ACIPv6List");
		if (jsonelement && (json_object_get_type(jsonelement) == json_type_array)) {
			length = json_object_array_length(jsonelement);
		} else {
			jsonelement = NULL;
		}
	}

	if (jsonelement) {
		int j;
		struct capwap_acipv6list_element* responseacipv6list;

		responseacipv6list = (struct capwap_acipv6list_element*)capwap_alloc(sizeof(struct capwap_acipv6list_element));
		responseacipv6list->addresses = capwap_array_create(sizeof(struct in6_addr), 0, 0);

		for (j = 0; j < length; j++) {
			struct json_object* jsonvalue = json_object_array_get_idx(jsonelement, j);
			if (jsonvalue && (json_object_get_type(jsonvalue) == json_type_object)) {
				struct json_object* jsonitem;

				/* ACIPAddress */
				jsonitem = compat_json_object_object_get(jsonvalue, "ACIPAddress");
				if (jsonitem && (json_object_get_type(jsonitem) == json_type_string)) {
					const char* value = json_object_get_string(jsonitem);
					if (value) {
						union sockaddr_capwap address;
						if (capwap_address_from_string(value, &address)) {
							/* Accept only IPv6 address */
							if (address.ss.ss_family == AF_INET6) {
								struct in6_addr* responseaddress_in6 = (struct in6_addr*)capwap_array_get_item_pointer(responseacipv6list->addresses, responseacipv6list->addresses->count);
								memcpy(responseaddress_in6, &address.sin6.sin6_addr, sizeof(struct in6_addr));
							}
						}
					}
				}
			}
		}

		if (responseacipv6list->addresses->count > 0) {
			capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV6LIST, responseacipv6list);
		}

		capwap_array_free(responseacipv6list->addresses);
		capwap_free(responseacipv6list);
	} else if (session->dfa.acipv6list.addresses->count > 0) {
		capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV6LIST, &session->dfa.acipv6list);
	}

	/* CAPWAP Transport Protocol */
	capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_TRANSPORT, &session->dfa.transport);

	/* CAPWAP_ELEMENT_IMAGEIDENTIFIER */				/* TODO */
	/* CAPWAP_ELEMENT_MAXIMUMLENGTH */					/* TODO */
	/* CAPWAP_ELEMENT_VENDORPAYLOAD */					/* TODO */

	if (jsonroot) {
		json_object_put(jsonroot);
	}

	return CAPWAP_RESULTCODE_SUCCESS;
}